On Tue, Aug 22, 2006 at 04:22:43PM +0200, Denis Vlasenko wrote:
> On Tuesday 22 August 2006 15:51, Denis Vlasenko wrote:
> > > A few arch files won't see the definition of udelay()
> > > in asm/delay.h anymore. Prevent that from biting us later.
> >
> > We are going to kill MAX_UDELAY_MS, so replace it
> > in common code with 1. Also fix a buglet on the way:
> > mpc83xx_spi->nsecs > MAX_UDELAY_MS * 1000
> > was comparing nanoseconds to microseconds.
>
> This patch does the following:
> * make it so than asm/delay.h does not define udelay(),
> only __udelay(), to be used in generic udelay()
> * add generic udelay() which calls __udelay() repeatedly,
> as needed. Protect against overflow in udelay() argument.
> * similarly for mdelay() and ssleep()
> * __const_udelay for all arches is removed or renamed to
> __const_delay (it did not do microsecond delays anyway)
> if still used by arch ndelay() function/macro
> * remove EXPORT_SYMBOL(__udelay). It is not used in modules
> anymore
> * remove MAX_UDELAY_MS
>
> We specifically do not touch ndelay() in thess patches.
> It is not changed.
Please keep a "const" version in ARM. Thanks.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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